IMPORTANT PLEASE I NEED NOW:Find the area of each face of the cube whose volume is 729 cm
2 answers:
Answer:
81
Step-by-step explanation:
square root of 729= 9
9×9=81
Answer:
Step-by-step explanation:
Formula of Volume= 
- a = side
Therefore since the volume is given you just need to find the side.
729= = ![\sqrt[3]{729}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B729%7D)
= a
= 9 = a
Now you know that 9 is the side, so using that find the area of one face-
Area of a square= 9 x 9 = 81
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Your choice of answer D is correct.
_____
When the number of days is zero, the height is 130 inches. This eliminates choices B and C. Evaluating the expression for n=13 gives
... 130 + 13×13 = 130 + 169 = 299 . . . . . corresponding to answer D.
Answer:
400000
Step-by-step explanation:
5^8 = 390625
390625 + 9375 = 400000
Answer: 9990
Step-by-step explanation:
1850 at 5% interest (1850 x .05 = 92.5)
92.5 x 12(months) = 1110
1110 x 9(years) = 9990
Answer:
726
Step-by-step explanation:
66*22/2=726
